package com.wesleyone.sc.controller;

import com.wesleyone.sc.entities.CommonResult;
import com.wesleyone.sc.entities.Payment;
import com.wesleyone.sc.lb.LoadBalancer;
import com.wesleyone.sc.lb.MyLb;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;
import java.net.URI;
import java.util.List;

/**
 * @Author: wesleyOne
 * @Email: wesleyone666@163.com
 * @Gitee: https://gitee.com/wesleyOne
 * @Date: 2020/8/26
 */
@RestController
@Slf4j
public class OrderController {

//    public static final String PAYMENT_URL = "http://localhost:8001";
    public static final String PAYMENT_URL = "http://CLOUD-PAYMENT-SERVICE";
    @Resource
    private RestTemplate restTemplate;

    @Resource
    private DiscoveryClient discoveryClient;

    @Resource
    private LoadBalancer loadBalancer;

    @GetMapping("/consumer/payment/create")
    public CommonResult<Payment> create() {
        Payment payment = new Payment();
        payment.setSerial(System.currentTimeMillis()+"");
        return restTemplate.postForObject(PAYMENT_URL+"/payment/create", payment, CommonResult.class);
    }

    @GetMapping("/consumer/payment/get/{id}")
    public CommonResult<Payment> getPayment(@PathVariable("id")Long id) {
        return restTemplate.getForObject(PAYMENT_URL+"/payment/get/"+id, CommonResult.class);
    }

    @GetMapping("/consumer/payment/getrule/{id}")
    public CommonResult<Payment> getPaymentRule(@PathVariable("id")Long id) {
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        if (instances == null || instances.size()<=0) {
            return null;
        }
        ServiceInstance serviceInstance = loadBalancer.instances(instances);
        URI uri = serviceInstance.getUri();
        return restTemplate.getForObject(uri+"/payment/get/"+id, CommonResult.class);
    }


}
